S 034-006-C00
 (6)  Loosen the tube clamps that attach the air manifold to the combustion case.
 NOTE: It is not necessary to fully remove these clamps.
____
 Loosen the clamps 2-3 turns to permit some movement of the
 tube.

 S 034-007-C00
 (7)  Loosen the bolts at the two flanges where the air manifold connects to the combustion case.
 NOTE: It is not necessary to fully remove these bolts.
____
 Loosen the bolts 2-3 turns to permit some movement of the
 tube.

 S 034-008-C00
 (8)  Move the air manifold away from the aft flange of the clearance control valve and remove the flange gasket.
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 75-24-01
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CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 034-045-C00
 (9)  
ENGINES POST-CFMI-SB 75-014; Discard the C-ring seal part of the gasket.

 S 034-009-C00

 (10)
 Remove the nuts and bolts that attach the 9th-stage HPC bleed tube to the top flange of the valve.

 S 034-010-C00

 (11)
 Loosen the tube clamps that attach the 9th-stage bleed air tube to the rear stator case of the compressor.

 NOTE:____It is not necessary to fully remove these clamps. Loosen the clamps 2-3 turns to permit some movement of the tube.
 S 034-011-C00
 (12) Loosen the bolts that attach the bleed air tube to the combustion case pad.
 NOTE:____It is not necessary to fully remove these bolts. Loosen the bolts 2-3 turns to permit some movement of the tube.
 S 034-012-C00
 (13)
 Move the tube away from the top flange of the clearance control valve and remove the flange gasket.

 S 034-046-C00

 (14)
 ENGINE POST-CFMI-SB 75-014; Discard the C-ring seal part of the gasket.

 S 034-013-C00

 (15)
 Remove the bolts and washers that attach the fuel manifold to the forward flange of the clearance control valve.

 S 034-014-C00

 (16)
 Hold the valve and remove the bolts that attach the inlet port for the 5th-stage HPC bleed air to the front stator case pad.

 (17)
 Carefully remove the valve from the compressor stator.

 (18)
 Remove the gasket from between the valve and fuel manifold.

 S 024-015-C00
 S 034-016-C00
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
////////////////////////A / /
CFM56 ENGINES
737-300/400/500/ /MAINTENANCE MANUAL ////////////////////////
S 034-044-C00
 (19) ENGINES POST-CFMI-SB 72-059; Remove the metallic C-ring seal or metal gasket (as applicable) from between the 5th-stage inlet port and the stator pad.
 TASK 75-24-01-404-018-C00
 3. Install the High Pressure Turbine Clearance Control Valve
_________________________________________________________
 A. Equipment
 (1)  
G00403 Pressurized Gas - Dry Air or Nitrogen, 50-60 psi (345-420 kPa), locally available

 (2)  
Hose Assembly, Air Pressure Test - approved for 60 psi (420 kPa) air pressure with pressure fittings at one end to attach to a presure gage (0-60 psi [0-420 kPa] minimum) and to an air source, and an adjustable hose clamp at the opposite end to attach to a 3/8 inch diameter drain line.

 B. Consumable Materials
 (1)  
B00148 Methyl Ethyl Keytone (MEK) - (CP1040), locally available

 (2)  
A00003 Primer - Red, 1200 (AMM 70-10-01/201)

 (3)  
A00474 Sealant - DC 93-006-1 (AMM 70-10-01/201)

 C. References
 (1)  
AMM 71-11-02/201, Fan Cowl Panels

 (2)  
AMM 78-31-00/201, Thrust Reversers

 D. Access
 (1)  
Location Zones
 506 Engine No. 1 - Fan Frame
　
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